AD7679 Description
18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC AD7679 .
The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates on a single 5 V power suppl.
AD7679 Features
* 18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: ±VREF (VREF up to 5 V) Throughput: 570 kSPS INL: ±2.5 LSB max (±9.5 ppm of full scale) Dynamic range : 103 dB typ (VREF = 5 V) S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V) Parallel (18-,16-, or 8-bit b
AD7679 Applications
* CT scanners High dynamic data acquisition Geophone and hydrophone sensors Σ-∆ replacement (low power, multichannel) Instrumentation Spectrum analysis Medical instruments
Table 1. PulSAR Selection
Type/kSPS PseudoDifferential True Bipolar True Differential 18-Bit Multichannel/ Simultaneous 100
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